South Twin Sister
Weather Forecast, United States

Twin Sisters Mountain from Park Butte

Twin Sisters Mountain

 

Days 0-3 South Twin Sister Weather Summary:

Heavy rain (total 130mm), heaviest during Tue night. Very mild (max 13°C on Tue morning, min 6°C on Tue night). Wind will be generally light.

Days 3-6 South Twin Sister Weather Summary:

Light rain (total 3mm), mostly falling on Sun afternoon. Very mild (max 10°C on Fri morning, min 4°C on Fri night). Wind will be generally light.

AM PM night AM PM night AM PM night AM PM night AM PM night AM PM night
partially cloudy
partially cloudy
heavy rain
heavy rain
light rain
light rain
light rain
heavy rain
heavy rain
partially cloudy
clear
clear
clear
clear
clear
partially cloudy
light rain
rain showers
Wind km/h
10 SSE10
15 SSE15
10 SSE10
15 SSW15
10 SW10
5 SSW5
10 S10
10 S10
0 WNW0
5 NE5
5 NE5
5 E5
5 E5
5 E5
5 E5
5 SE5
5 SSE5
0 E0
some clouds some clouds heavy rain heavy rain light rain light rain light rain heavy rain heavy rain some clouds clear clear clear clear clear some clouds light rain rain shwrs
See all weather maps
Rain
Rain mm
- - 45 24 5 2 3 16 35 - - - - - - - 2 1
Snow
Snow cm
- - - - - - - - - - - - - - - - - -
High °C
13 11 8 8 8 7 8 8 8 10 9 5 10 9 6 8 8 7
Low °C
11 9 6 7 7 7 7 8 7 8 6 4 7 6 5 8 7 6
Chill °C
12 9 5 6 6 6 6 6 7 10 9 3 10 9 5 7 8 7
Freezing level m
3050 2600 1950 2150 1850 1800 1800 2100 2150 1900 1900 1950 2050 2200 2400 2200 1950 1800
Sea lvl3000ft6000ft9000ft12000ft15000ft
mountain backdrop
4200-2-1-100-1-1-10110-1-16533221332233344221311888788810951096887
Sunrise
7:13 - - 7:13 - - 7:16 - - 7:16 - - 7:18 - - 7:20 - -
Sunset
- 4:30 - - 4:29 - - 4:28 - - 4:27 - - 4:24 - - 4:23 -

Issued local time.

This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.

Live conditions reported by 5 closest weather stations

Weather StationTemp.WeatherWind
Cloud
Visibility
Cloud / Visibility
Lyman
19 km S
155m alt.
47 minutes ago
7° C
Dry
0
Calm
(0 kph at 69).
Bellingham
25 km WSW
198m alt.
1 hour ago
7° C
Dry
0
Calm
(0 kph at 270).
Deming
25 km WNW
102m alt.
58 minutes ago
8° C
Dry
10
Light winds from the SE
(10 kph at 128).
Bellingham
29 km W
71m alt.
1 hour ago
8° C
Dry
3
Calm
(3 kph at 170).
Bellingham
32 km W
130m alt.
42 minutes ago
-
0
Calm
(0 kph at 269).

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones. We also include passing Ship data if it is recorded close to South Twin Sister and within an acceptable time window.